Finding the Fourth Proportional to 91,817.25, 137,784.14 and 39,227.13

Step by Step Solution

1. Step 1: Write the proportion equation
   91,817.25 : 137,784.14 = 39,227.13 : x
2. Step 2: Convert to fraction form
   91,817.25/137,784.14 = 39,227.13/x
3. Step 3: Cross multiply
   91,817.25x = 137,784.14 × 39,227.13
4. Step 4: Simplify right side
   91,817.25x = 5,404,876,371.72
5. Step 5: Solve for x
   x = 5,404,876,371.72/91,817.25
6. Step 6: Final answer
   x = 58,865.59